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Finding the Third Proportional to 251,953,001 and 391,194,771

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Solution

The third proportional to 251,953,001 and 391,194,771 is: 607,388,474.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,953,001 : 391,194,771 = 391,194,771 : x
  2. Step 2: Convert to fraction form
    251,953,001/391,194,771 = 391,194,771/x
  3. Step 3: Cross multiply
    251,953,001x = 391,194,771 × 391,194,771
  4. Step 4: Simplify right side
    251,953,001x = 153,033,348,857,742,432
  5. Step 5: Solve for x
    x = 153,033,348,857,742,432/251,953,001
  6. Step 6: Final answer
    x = 607,388,474.24

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.